X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fovero%2Fovero.c;h=a6e2e935a7c3059f45c7e2d6a41efc403d34727c;hb=1a4596601fd395f3afb8f82f3f840c5e00bdd57a;hp=e85be7d5e6c239c1fe093fca5ccfe869182867f5;hpb=7dd866ae926a69cd09605b29c5e115568a6131bb;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/overo/overo.c b/board/overo/overo.c index e85be7d..a6e2e93 100644 --- a/board/overo/overo.c +++ b/board/overo/overo.c @@ -10,47 +10,71 @@ * (C) Copyright 2004-2008 * Texas Instruments, * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include +#include #include +#include #include #include #include -#include +#include +#include #include #include "overo.h" +DECLARE_GLOBAL_DATA_PTR; + +#define TWL4030_I2C_BUS 0 +#define EXPANSION_EEPROM_I2C_BUS 2 +#define EXPANSION_EEPROM_I2C_ADDRESS 0x51 + +#define GUMSTIX_SUMMIT 0x01000200 +#define GUMSTIX_TOBI 0x02000200 +#define GUMSTIX_TOBI_DUO 0x03000200 +#define GUMSTIX_PALO35 0x04000200 +#define GUMSTIX_PALO43 0x05000200 +#define GUMSTIX_CHESTNUT43 0x06000200 +#define GUMSTIX_PINTO 0x07000200 +#define GUMSTIX_GALLOP43 0x08000200 + +#define ETTUS_USRP_E 0x01000300 + +#define GUMSTIX_NO_EEPROM 0xffffffff + +static struct { + unsigned int device_vendor; + unsigned char revision; + unsigned char content; + char fab_revision[8]; + char env_var[16]; + char env_setting[64]; +} expansion_config; + #if defined(CONFIG_CMD_NET) static void setup_net_chip(void); #endif +/* GPMC definitions for LAN9221 chips on Tobi expansion boards */ +static const u32 gpmc_lan_config[] = { + NET_LAN9221_GPMC_CONFIG1, + NET_LAN9221_GPMC_CONFIG2, + NET_LAN9221_GPMC_CONFIG3, + NET_LAN9221_GPMC_CONFIG4, + NET_LAN9221_GPMC_CONFIG5, + NET_LAN9221_GPMC_CONFIG6, + /*CONFIG7- computed as params */ +}; + /* * Routine: board_init * Description: Early hardware init. */ int board_init(void) { - DECLARE_GLOBAL_DATA_PTR; - gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ /* board id for Linux */ gd->bd->bi_arch_number = MACH_TYPE_OVERO; @@ -61,6 +85,141 @@ int board_init(void) } /* + * Routine: get_board_revision + * Description: Returns the board revision + */ +int get_board_revision(void) +{ + int revision; + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + unsigned char data; + + /* board revisions <= R2410 connect 4030 irq_1 to gpio112 */ + /* these boards should return a revision number of 0 */ + /* the code below forces a 4030 RTC irq to ensure that gpio112 is low */ + i2c_set_bus_num(TWL4030_I2C_BUS); + data = 0x01; + i2c_write(0x4B, 0x29, 1, &data, 1); + data = 0x0c; + i2c_write(0x4B, 0x2b, 1, &data, 1); + i2c_read(0x4B, 0x2a, 1, &data, 1); +#endif + + if (!gpio_request(112, "") && + !gpio_request(113, "") && + !gpio_request(115, "")) { + + gpio_direction_input(112); + gpio_direction_input(113); + gpio_direction_input(115); + + revision = gpio_get_value(115) << 2 | + gpio_get_value(113) << 1 | + gpio_get_value(112); + } else { + puts("Error: unable to acquire board revision GPIOs\n"); + revision = -1; + } + + return revision; +} + +#ifdef CONFIG_SPL_BUILD +/* + * Routine: get_board_mem_timings + * Description: If we use SPL then there is no x-loader nor config header + * so we have to setup the DDR timings ourself on both banks. + */ +void get_board_mem_timings(struct board_sdrc_timings *timings) +{ + timings->mr = MICRON_V_MR_165; + switch (get_board_revision()) { + case REVISION_0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */ + timings->mcfg = MICRON_V_MCFG_165(128 << 20); + timings->ctrla = MICRON_V_ACTIMA_165; + timings->ctrlb = MICRON_V_ACTIMB_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + break; + case REVISION_1: /* Micron 256MB/512MB, 1/2 banks of 256MB */ + timings->mcfg = MICRON_V_MCFG_165(256 << 20); + timings->ctrla = MICRON_V_ACTIMA_165; + timings->ctrlb = MICRON_V_ACTIMB_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + break; + case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */ + timings->mcfg = HYNIX_V_MCFG_165(256 << 20); + timings->ctrla = HYNIX_V_ACTIMA_165; + timings->ctrlb = HYNIX_V_ACTIMB_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + break; + default: + timings->mcfg = MICRON_V_MCFG_165(128 << 20); + timings->ctrla = MICRON_V_ACTIMA_165; + timings->ctrlb = MICRON_V_ACTIMB_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + } +} +#endif + +/* + * Routine: get_sdio2_config + * Description: Return information about the wifi module connection + * Returns 0 if the module connects though a level translator + * Returns 1 if the module connects directly + */ +int get_sdio2_config(void) +{ + int sdio_direct; + + if (!gpio_request(130, "") && !gpio_request(139, "")) { + + gpio_direction_output(130, 0); + gpio_direction_input(139); + + sdio_direct = 1; + gpio_set_value(130, 0); + if (gpio_get_value(139) == 0) { + gpio_set_value(130, 1); + if (gpio_get_value(139) == 1) + sdio_direct = 0; + } + + gpio_direction_input(130); + } else { + puts("Error: unable to acquire sdio2 clk GPIOs\n"); + sdio_direct = -1; + } + + return sdio_direct; +} + +/* + * Routine: get_expansion_id + * Description: This function checks for expansion board by checking I2C + * bus 2 for the availability of an AT24C01B serial EEPROM. + * returns the device_vendor field from the EEPROM + */ +unsigned int get_expansion_id(void) +{ + i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS); + + /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */ + if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) { + i2c_set_bus_num(TWL4030_I2C_BUS); + return GUMSTIX_NO_EEPROM; + } + + /* read configuration data */ + i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config, + sizeof(expansion_config)); + + i2c_set_bus_num(TWL4030_I2C_BUS); + + return expansion_config.device_vendor; +} + +/* * Routine: misc_init_r * Description: Configure board specific parts */ @@ -73,6 +232,88 @@ int misc_init_r(void) setup_net_chip(); #endif + printf("Board revision: %d\n", get_board_revision()); + + switch (get_sdio2_config()) { + case 0: + puts("Tranceiver detected on mmc2\n"); + MUX_OVERO_SDIO2_TRANSCEIVER(); + break; + case 1: + puts("Direct connection on mmc2\n"); + MUX_OVERO_SDIO2_DIRECT(); + break; + default: + puts("Unable to detect mmc2 connection type\n"); + } + + switch (get_expansion_id()) { + case GUMSTIX_SUMMIT: + printf("Recognized Summit expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "dvi"); + break; + case GUMSTIX_TOBI: + printf("Recognized Tobi expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "dvi"); + break; + case GUMSTIX_TOBI_DUO: + printf("Recognized Tobi Duo expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + /* second lan chip */ + enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], + 0x2B000000, GPMC_SIZE_16M); + break; + case GUMSTIX_PALO35: + printf("Recognized Palo35 expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "lcd35"); + break; + case GUMSTIX_PALO43: + printf("Recognized Palo43 expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "lcd43"); + break; + case GUMSTIX_CHESTNUT43: + printf("Recognized Chestnut43 expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "lcd43"); + break; + case GUMSTIX_PINTO: + printf("Recognized Pinto expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + break; + case GUMSTIX_GALLOP43: + printf("Recognized Gallop43 expansion board (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + setenv("defaultdisplay", "lcd43"); + break; + case ETTUS_USRP_E: + printf("Recognized Ettus Research USRP-E (rev %d %s)\n", + expansion_config.revision, + expansion_config.fab_revision); + MUX_USRP_E(); + setenv("defaultdisplay", "dvi"); + break; + case GUMSTIX_NO_EEPROM: + puts("No EEPROM on expansion board\n"); + break; + default: + puts("Unrecognized expansion board\n"); + } + + if (expansion_config.content == 1) + setenv(expansion_config.env_var, expansion_config.env_setting); + dieid_num_r(); return 0; @@ -99,14 +340,9 @@ static void setup_net_chip(void) { struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; - /* Configure GPMC registers */ - writel(NET_LAN9221_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1); - writel(NET_LAN9221_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2); - writel(NET_LAN9221_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3); - writel(NET_LAN9221_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4); - writel(NET_LAN9221_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5); - writel(NET_LAN9221_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6); - writel(NET_LAN9221_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7); + /* first lan chip */ + enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, + GPMC_SIZE_16M); /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); @@ -117,13 +353,13 @@ static void setup_net_chip(void) &ctrl_base->gpmc_nadv_ale); /* Make GPIO 64 as output pin and send a magic pulse through it */ - if (!omap_request_gpio(64)) { - omap_set_gpio_direction(64, 0); - omap_set_gpio_dataout(64, 1); + if (!gpio_request(64, "")) { + gpio_direction_output(64, 0); + gpio_set_value(64, 1); udelay(1); - omap_set_gpio_dataout(64, 0); + gpio_set_value(64, 0); udelay(1); - omap_set_gpio_dataout(64, 1); + gpio_set_value(64, 1); } } #endif @@ -136,3 +372,10 @@ int board_eth_init(bd_t *bis) #endif return rc; } + +#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0, 0, 0, -1, -1); +} +#endif